Patents by Inventor Fei Cheng

Fei Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11970661
    Abstract: A combined catalytic viscosity reducing system includes a catalyst slug, a heat generating system slug, a gas injection slug, and a water-soluble viscosity reducing system slug. The catalyst slug includes 10%-15% of azacarbene iron, 15%-30% of tert-butyl hydroperoxide, 2%-5% of phosphoric acid, 2%-5% of hydrogen donor, and 0.5%-1% of emulsifier agent, and the others are solvent. The heat generating system slug includes 10%-30% of NaNO2, 8%-25% of NH4Cl, and 3%-10% of acid initiator, and the others are water, totaling 100%. The water-soluble viscosity reducing system slug, according to mass percentage, includes 0.2%-0.5% of surfactant and 2%-10% of alkali, and the others are water. The combined catalytic viscosity reducing system can effectively reduce viscosity without injecting steam, and the viscosity reduction rate can reach 96.5%.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: April 30, 2024
    Assignee: YANGTZE UNIVERSITY
    Inventors: Xuemin Yan, Peiyue Wu, Hao Li, Huan Yang, Zhaofei Ma, Zhongfu Cheng, Fei Deng
  • Patent number: 11940737
    Abstract: A method includes receiving a device design layout and a scribe line design layout surrounding the device design layout. The device design layout and the scribe line design layout are rotated in different directions. An optical proximity correction (OPC) process is performed on the rotated device design layout and the rotated scribe line design layout. A reticle includes the device design layout and the scribe line design layout is formed after performing the OPC process.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: March 26, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsueh-Yi Chung, Yung-Cheng Chen, Fei-Gwo Tsai, Chi-Hung Liao, Shih-Chi Fu, Wei-Ti Hsu, Jui-Ping Chuang, Tzong-Sheng Chang, Kuei-Shun Chen, Meng-Wei Chen
  • Publication number: 20240097051
    Abstract: A Schottky diode includes a substrate, a first drift region in the substrate, a second drift region in the substrate, a first dielectric layer disposed over the substrate, a first doped region in the first drift region, a second doped region in the second drift region, a third doped region in the first drift region, and a metal field plate disposed over the first dielectric layer. The first drift region and the first doped region include a first conductivity type. The second drift region, the second doped region and third doped region include a second conductivity type complementary to the first conductivity type. The first dielectric layer overlaps a portion of the first drift region and a portion of the second drift region. The second doped region is separated from the first doped region.
    Type: Application
    Filed: January 16, 2023
    Publication date: March 21, 2024
    Inventors: GUAN-YI LI, CHIA-CHENG HO, CHAN-YU HUNG, FEI-YUN CHEN
  • Publication number: 20240094785
    Abstract: A folding mechanism is provided, including a base portion, a first housing seat, a second housing seat, a first screen supporting plate, a second screen supporting plate, and a third screen supporting plate. The first housing seat is rotatably disposed on the first screen supporting plate, the second housing seat is rotatably disposed on the second screen supporting plate, and the third screen supporting plate is movably connected to the base portion in its own support direction. The first housing seat is rotatably connected to the base portion by a first swing arm, the second housing seat is rotatably connected to the base portion by a second swing arm, the first screen supporting plate is slidably and rotatably connected to the base portion by a third swing arm, and the second screen supporting plate is slidably and rotatably connected to the base portion by a fourth swing arm.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 21, 2024
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Dongcun CHENG, Zongwen HE, Zhengjun LUO, Fei DONG, Ximing LIU
  • Publication number: 20240050971
    Abstract: A pre-compression pump includes a main body, a first piston assembly movably mounted in the main body, a head assembly on a top of the first piston assembly, a second piston in the first piston assembly, and a second spring supported between the second piston and the first piston assembly. A water storage sump is disposed between the main body and the first piston assembly. A water outlet channel is disposed in the inner part of the first piston assembly. The water outlet channel is connected to the water storage sump and a nozzle of the head assembly. The second piston has an ejector pin portion for sealing the water outlet channel.
    Type: Application
    Filed: July 19, 2023
    Publication date: February 15, 2024
    Inventors: Fei Cheng, Weidong Kang
  • Publication number: 20230287013
    Abstract: The embodiment of the present disclosure provides a method for preparing a boron dipyrromethene (BODIPY) derivative and an application of the BODIPY derivative. The method comprises: 1) taking BODIPY-1, diphenylacetylene, copper acetate monohydrate, anhydrous sodium carbonate, and metal catalyst, and dispersing the BODIPY-1, the diphenylacetylene, the copper acetate monohydrate, the anhydrous sodium carbonate, and the metal catalyst in an organic solvent for carrying out a cyclization reaction to obtain a cyclization product mixture; 2) rotary evaporating the cyclization product mixture to obtain a concentrated solution of a reaction system; 3) purifying the concentrated solution of the reaction system by a column chromatography, continuing to rotary evaporate a purified product, and then drying a product after the rotary evaporating to obtain a photocatalytic material BODIPY-2.
    Type: Application
    Filed: November 14, 2022
    Publication date: September 14, 2023
    Applicant: SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY
    Inventors: Taotao QIANG, Fei CHENG
  • Patent number: 11675107
    Abstract: A see-through reflective optical device includes: a reflective metasurface configured for a targeted design optical wavelength, wherein the reflective metasurface comprises a sub-wavelength periodic arrangement of meta-atoms formed by patterned isolated gap surface plasmon (GSP) resonators, where the patterned isolated GSP resonators comprise a patterned optically thin metal layer for the design wavelength, an optically thick metal layer for the design wavelength, and an insulator layer between the patterned optically thin metal layer and the optically thick metal layer; and an array of apertures of random positions and diameters greater than the targeted design wavelength formed through the reflective metasurface providing a designed percentage of light transparency through the reflective metasurface. The reflective metasurface of the see-through reflective optical device may comprise, e.g.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: June 13, 2023
    Assignee: University of Rochester
    Inventors: Daniel Nikolov, Jannick P. Rolland-Thompson, Nick Vamivakas, Fei Cheng, Aaron Bauer
  • Publication number: 20230179480
    Abstract: Provided are a method and apparatus for remote customization of a function, a device, and a storage medium. The method includes: determining, at determining a custom function according to a service requirement and dividing the custom function into at least one minimum function unit; determining a remote function operation instruction for the minimum function unit; and sending the remote function operation instruction to a device terminal to cause the device terminal to implement the custom function.
    Type: Application
    Filed: March 16, 2021
    Publication date: June 8, 2023
    Inventors: Fei CHENG, Hui ZHANG
  • Publication number: 20230170288
    Abstract: This disclosure provides a conductive circuit carrier module including a carrier and a conductive circuit film layer. The conductive circuit film layer is disposed on the carrier. The conductive circuit film layer has at least one conductive circuit structure including a vertical wire part and at least four horizontal wire parts. The vertical wire part extends along a thickness direction of the conductive circuit film layer. The at least four horizontal wire parts are connected to one another via the vertical wire part and extend along a direction substantially perpendicular to the vertical wire part. The at least four horizontal wire parts are symmetrically arranged or asymmetrically arranged with respect to the vertical wire part.
    Type: Application
    Filed: March 14, 2022
    Publication date: June 1, 2023
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Wei HUANG, Shau-Fei CHENG
  • Patent number: 11646259
    Abstract: Provided is a forming method of a redistribution structure including: forming a first redistribution layer and a first compensation circuit layer on a substrate, wherein the first compensation circuit layer surrounds the first redistribution layer, and the first compensation circuit layer and the first redistribution layer are electrically insulated from each other; forming a first dielectric layer on the first redistribution layer and the first compensation circuit layer; and forming a second redistribution layer and a second compensation circuit layer on the first dielectric layer, wherein the second compensation circuit layer surrounds the second redistribution layer, the second compensation circuit layer and the second redistribution layer are electrically insulated from each other, the second compensation circuit layer is connected to the first compensation circuit layer, and the second redistribution layer is connected to the first redistribution layer.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: May 9, 2023
    Assignee: Industrial Technology Research Institute
    Inventors: Shu-Wei Kuo, Chen-Tsai Yang, Wei-Yuan Cheng, Chien-Hsun Chu, Shau-Fei Cheng
  • Patent number: 11624912
    Abstract: A near eye display assembly includes (a) frame; (b) a combiner operably connected to the frame as a first reflective surface positionable in front of an eye of a user of the display assembly; (c) a secondary mirror operably connected to the frame as a second reflective surface positionable proximate a side of the nose adjacent to the eye of a user of the display assembly; (d) an image source operably connected to the frame and optically coupled to the secondary mirror along an optical path; and (e) an optical fold element between the image source and the secondary mirror in the optical path, and positionable proximate the temple adjacent to the eye of a user of the display assembly; wherein an intermediate image is formed in the optical path between the image source and the secondary mirror, wherein the combiner and the secondary mirror are in an off-axis folded geometry which directs images from the optical fold element to an eyebox of the near eye display assembly, and at least one of the combiner and the s
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: April 11, 2023
    Assignee: University of Rochester
    Inventors: Jannick P. Rolland, Aaron Bauer, Nick Vamivakas, Fei Cheng, Daniel Nikolov
  • Patent number: 11592646
    Abstract: A mechanically tunable reflective metamirror optical device for a targeted design optical wavelength includes a dynamically deformable substrate and a sub-wavelength periodic arrangement of patterned isolated gap surface plasmon (GSP) resonators positioned in or on the dynamically deformable substrate. The patterned isolated GSP resonators are movable relative to each other and comprise a patterned optically thin metal layer for the design wavelength, a patterned optically thick metal layer for the design wavelength, and a patterned insulator layer between the patterned optically thin and optically thick metal layers.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: February 28, 2023
    Assignee: University of Rochester
    Inventors: Daniel Nikolov, Nick Vamivakas, Fei Cheng, Aaron Bauer, Jannick P. Rolland
  • Publication number: 20230036481
    Abstract: The present invention provides a human CD16+ natural killer cell line and a CAR-expressing human CD16+ natural killer cell line. These human CD16+ natural killer cell line and a CAR-expressing human CD16+ natural killer cell line does not include synthetic, genetically modified or purposely deliberately delivered polynucleotide encoding the CD16 receptor and are non-tumorigenic cell lines. Therefore, this human CD16+ natural killer cell line and a CAR-expressing human CD16+ natural killer cell line might provide considerable long-term safety for disease treatment.
    Type: Application
    Filed: January 15, 2021
    Publication date: February 2, 2023
    Applicant: Acepodia Biotechnologies Ltd.
    Inventors: SAI-WEN TANG, ZIH-FEI CHENG, CHIA-YUN LEE, HAO-KANG LI, HSIU-PING YANG, CHING-WEN HSIAO, SEN HEN YANG, TAI-SHENG WU, YAN-LIANG LIN, YAN-DA LAI, SHIH-CHIA HSIAO
  • Patent number: 11563715
    Abstract: A network device may receive data, may extract primary patterns from a plurality of domain names included in the data, may process the primary patterns, with a hash model, to generate hash keys for the primary patterns, wherein a hash key includes a hash value associated with a wildcard character, and may store the plurality of domain names in a hash table. The network device may extract a particular primary pattern from a particular domain name included in a search request, may determine potential matching patterns based on the particular primary pattern, and may process the potential matching patterns, with the hash model, to generate potential matching hash keys for the potential matching patterns, wherein a hash key includes a hash value associated with a wildcard character. The network device may search, based on the potential matching hash keys, the hash table to identify a matching domain name.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: January 24, 2023
    Assignee: Juniper Networks, Inc.
    Inventors: Fei Cheng, Tao Zhao
  • Patent number: 11450478
    Abstract: An assembly device for a three-dimensional triangular iron core is provided according to the present application, including iron core driving devices each for driving an iron core to be assembled with adjacent iron cores. There are three iron core driving devices, and each of the iron core driving devices includes an iron core fixing device and a driving assembly for driving the iron core fixing device to move. When the three-dimensional triangular iron core is required to be assembled, firstly, the three iron cores are mounted on the corresponding iron core fixing devices respectively, then the iron core fixing devices are driven by driving assemblies to move toward one another, thereby driving adjacent iron cores to move toward each other until the adjacent iron cores are assembled, and then each two adjacent iron cores are wound and assembled.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: September 20, 2022
    Assignee: QINGDAO YUNLU ADVANCED MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Li, Jing Pang, Qinghua Li, Chen Li, Fei Cheng
  • Patent number: 11391196
    Abstract: A heat shield comprises a first thermal insulation section and a second thermal insulation section, wherein the second thermal insulation section is axially connected to the first thermal insulation section, and the thermal insulation performance of the second thermal insulation section is lower than that of the first thermal insulation section. The heat shield is advantageous in that it cannot only achieve a good integral thermal insulation effect, but also protect thermal-fatigue weak zones of an exhaust system shell, so as to prolong the operating life of the exhaust system and reduce the costs of maintenance and repair for an automobile, etc.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: July 19, 2022
    Assignee: Faurecia Emission Control Technologies (Shanghai) Co., Ltd.
    Inventors: Yongsheng Li, Haitao Shi, Fei Cheng
  • Publication number: 20220166746
    Abstract: A network device may receive data, may extract primary patterns from a plurality of domain names included in the data, may process the primary patterns, with a hash model, to generate hash keys for the primary patterns, wherein a hash key includes a hash value associated with a wildcard character, and may store the plurality of domain names in a hash table. The network device may extract a particular primary pattern from a particular domain name included in a search request, may determine potential matching patterns based on the particular primary pattern, and may process the potential matching patterns, with the hash model, to generate potential matching hash keys for the potential matching patterns, wherein a hash key includes a hash value associated with a wildcard character. The network device may search, based on the potential matching hash keys, the hash table to identify a matching domain name.
    Type: Application
    Filed: February 23, 2021
    Publication date: May 26, 2022
    Inventors: Fei CHENG, Tao ZHAO
  • Publication number: 20220130744
    Abstract: Provided is a forming method of a redistribution structure including: forming a first redistribution layer and a first compensation circuit layer on a substrate, wherein the first compensation circuit layer surrounds the first redistribution layer, and the first compensation circuit layer and the first redistribution layer are electrically insulated from each other; forming a first dielectric layer on the first redistribution layer and the first compensation circuit layer; and forming a second redistribution layer and a second compensation circuit layer on the first dielectric layer, wherein the second compensation circuit layer surrounds the second redistribution layer, the second compensation circuit layer and the second redistribution layer are electrically insulated from each other, the second compensation circuit layer is connected to the first compensation circuit layer, and the second redistribution layer is connected to the first redistribution layer.
    Type: Application
    Filed: January 26, 2021
    Publication date: April 28, 2022
    Applicant: Industrial Technology Research Institute
    Inventors: Shu-Wei Kuo, Chen-Tsai Yang, Wei-Yuan Cheng, Chien-Hsun Chu, Shau-Fei Cheng
  • Publication number: 20220073878
    Abstract: The present invention provides a human CD16+ natural killer cell line. This human CD16+ natural killer cell line does not include synthetic, genetically modified or deliberately delivered polynucleotide encoding the CD16 receptor and is a non-tumorigenic cell line. Therefore, this human CD16+ natural killer cell line might provide considerable long-term safety for disease treatment.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 10, 2022
    Applicant: Acepodia Biotechnologies Ltd.
    Inventors: Zih-Fei Cheng, Chia-Yun Lee, Hao-Kang Li, Yan-Liang Lin, Ching-Wen Hsiao, Yan-Da Lai, Yu-Pei Cheng, Hsiu-Ping Yang, Shih-Chia Hsiao
  • Publication number: 20210358687
    Abstract: An assembly device for a three-dimensional triangular iron core is provided according to the present application, including iron core driving devices each for driving an iron core to be assembled with adjacent iron cores. There are three iron core driving devices, and each of the iron core driving devices includes an iron core fixing device and a driving assembly for driving the iron core fixing device to move. When the three-dimensional triangular iron core is required to be assembled, firstly, the three iron cores are mounted on the corresponding iron core fixing devices respectively, then the iron core fixing devices are driven by driving assemblies to move toward one another, thereby driving adjacent iron cores to move toward each other until the adjacent iron cores are assembled, and then each two adjacent iron cores are wound and assembled.
    Type: Application
    Filed: December 12, 2018
    Publication date: November 18, 2021
    Applicant: QINGDAO YUNLU ADVANCED MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu LI, Jing PANG, Qinghua LI, Chen LI, Fei CHENG